Confinement Effects on Intermediate-State Flux Patterns in Mesoscopic Type-I Superconductors
G. R. Berdiyorov, A. D. Hernandez, F. M. Peeters
DOI 10.1103/PhysRevLett.103.267002 · Physical Review Letters
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Abstract
Intermediate-state flux structures in mesoscopic type-I superconductors are studied within the Ginzburg-Landau theory. In addition to well-established tubular and laminar structures, the strong confinement leads to the formation of (i) a phase of singly quantized vortices, which is typical for type-II superconductors and (ii) a ring of a normal domain at equilibrium. The stability region and the formation process of these intermediate-state structures are strongly influenced by the geometry of the sample.
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